Home / 188,760.32-260,490.48-103,875.20

Finding the Fourth Proportional to 188,760.32, 260,490.48 and 103,875.20

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Solution

The fourth proportional to 188,760.32, 260,490.48 and 103,875.20 is: 143,348.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,760.32 : 260,490.48 = 103,875.20 : x
  2. Step 2: Convert to fraction form
    188,760.32/260,490.48 = 103,875.20/x
  3. Step 3: Cross multiply
    188,760.32x = 260,490.48 × 103,875.20
  4. Step 4: Simplify right side
    188,760.32x = 27,058,500,708.10
  5. Step 5: Solve for x
    x = 27,058,500,708.10/188,760.32
  6. Step 6: Final answer
    x = 143,348.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.